No problem, we've got 6360 and 3645 to multiply
6360 × 3645 = 3645 × (6360)
+ 3645 × 0 that is equal 0
+ 3645 × 60 that is equal 218700
+ 3645 × 300 what gives us 1093500
+ 3645 × 6000 that is equal 21870000

= 23182200
